Optimizing the thermal efficiency of glass furnaces is a complex but crucial process that involves multiple aspects of consideration and improvement.
Here are some suggestions that can help improve the thermal efficiency of glass furnaces:
1 Combustion system optimization
A. Precisely control the air-fuel ratio: Through advanced control systems, the ratio of fuel to combustion air is monitored and adjusted in real time to ensure full combustion of the fuel and reduce heat loss caused by incomplete combustion.
B.Optimize burner performance: Select high-efficiency burners, whose flame shape, distribution and temperature field are more conducive to heat transfer to glass raw materials. Regularly maintain and clean the burner to prevent problems such as carbon deposition from affecting the combustion effect and ensure that the burner is always in the best working condition.
2.Improvement of furnace structure
A.Optimize furnace insulation: Use high-performance refractory and insulation materials to reduce heat loss on the furnace surface. For example, increase the thickness of the insulation layer or use new insulation materials on the walls and vaults of the furnace.
Improve the shape and size of the furnace: Rationally design the shape and size of the furnace to make the heat distribution in the furnace more uniform, reduce local overheating or overcooling areas, and improve the effective use of heat.
3. Heat recovery and utilization
A.High-efficiency heat storage chamber design and operation: As mentioned above, optimize the structure and material of the heat storage chamber to improve the heat storage capacity and heat exchange efficiency of the heat storage body. Regularly check and clean the heat storage chamber to prevent blockage and dust accumulation from affecting the heat exchange effect.
B.Utilization of flue gas waste heat: Install a heat exchanger on the kiln exhaust pipe to use the waste heat in the flue gas to preheat the combustion air, fuel or other process media.
4. Production process optimization
A. Reasonably arrange the production process: Reduce the number of starts and stops of the furnace, because a lot of energy will be consumed for heating and cooling during the start and stop of the furnace. Reasonably arrange the melting and forming processes of the glass so that the furnace can operate continuously and stably and maintain a high thermal efficiency.
B. Optimize the glass formula: By improving the glass formula, the melting temperature and viscosity of the glass can be reduced, thereby reducing the heat required in the melting process.
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